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Series C Cyber Security Companies

Explore 97 cyber security startups that raised series c funding. Access verified founder contact information and fundraising data.

Total Companies
97
Total Funding
$2.2B
Avg Funding
$89.9M
Cities
18

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Santa Clara, United States
$138.0M
raised

Auradine provides web infrastructure solutions encompassing blockchain, artificial intelligence, and privacy technologies.

Apr 2025
Series C

Founder Contacts

30,000+ verified contacts

Newport Beach, United States
$90.0M
raised

Obsidian Security is a threat detection and posture management for business-critical saas applications.

Apr 2022
Series C

Founder Contacts

30,000+ verified contacts

Palo Alto, United States
$105.0M
raised

Docker’s platform helps millions of developers efficiently and collaboratively build, share, and run applications.

Mar 2022
Series C

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$100.0M
raised

WorkOS is a unified platform with modern APIs and SDKs for enterprise-ready features.

Mar 2026
Series C

Founder Contacts

30,000+ verified contacts

Arlington, United States
$100.0M
raised

Cape develops privacy-enabling technology that allows users to reclaim their privacy and security on electronic devices.

Mar 2026
Series C

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Portland, United States
$25.0M
raised

Eclypsium offers a platform for supply chain security for IT infrastructure.

Mar 2026
Series C

Founder Contacts

30,000+ verified contacts

San Jose, United States
$70.0M
raised

Balbix offers an AI-native cyber risk and exposure management platform to give security teams a real-time view of their attack surface.

Mar 2022
Series C

Founder Contacts

30,000+ verified contacts

Mountain View, United States
$75.0M
raised

UpGuard is a cybersecurity platform that focuses on managing cyber risks across vendor supply chains, attack surfaces, and human workforces.

Feb 2026
Series C

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$75.0M
raised

Agentic AI for Audit and Advisory.

Feb 2026
Series C

Founder Contacts

30,000+ verified contacts

New York, United States
$100.0M
raised

Beyond Identity provides passwordless identity management solutions to help secure digital business.

Feb 2022
Series C

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Tampa, United States
$180.0M
raised

Deepwatch secures the digital economy by protecting enterprise networks via its cloud security platform.

Feb 2023
Series C

Founder Contacts

30,000+ verified contacts

Sarasota, United States
$20.0M
raised

Nucleus Security provides a platform for managing and prioritizing security and exposure data.

Feb 2026
Series C

Founder Contacts

30,000+ verified contacts

Paris, France
$50.0M
raised

GitGuardian specializes in Non-Human Identity security, detecting secrets in code and enhancing productivity in development environments.

Feb 2026
Series C

Founder Contacts

30,000+ verified contacts

Dublin, Ireland
$125.0M
raised

Tines is a no-code workflow automation platform designed especially for security teams.

Feb 2025
Series C

Founder Contacts

30,000+ verified contacts

Washington, United States
$150.0M
raised

Sublime Security develops an email security platform to write and run custom detection and response rules to block phishing attacks.

Oct 2025
Series C

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Paris, France
$58.2M
raised

Filigran provides an open-source cybersecurity solutions including threat intelligence management and cyber risk management.

Oct 2025
Series C

Founder Contacts

30,000+ verified contacts

Austin, United States
$80.0M
raised

SEON is the command center for fraud prevention and AML compliance that enriches data, provides context and directs action.

Sep 2025
Series C

Founder Contacts

30,000+ verified contacts

Arlington, United States
$75.0M
raised

Shift5 is a cybersecurity company that provides hardware and software solutions to defend operational technology (OT) platforms.

Sep 2025
Series C

Founder Contacts

30,000+ verified contacts

Austin, United States
$230.0M
raised

Ontic provides security management software unifying corporate data and operations, helping teams to manage physical and digital risks.

Aug 2025
Series C

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$55.0M
raised

Wallarm is an API security platform that automates real-time application protection and security testing for APIs, apps, and microservices.

Jul 2025
Series C

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Palo Alto, United States
$70.0M
raised

Safe Security provides cyber risk management solutions to quantify and manage enterprise‑wide cyber risk in real time.

Jul 2025
Series C

Founder Contacts

30,000+ verified contacts

Austin, United States
$47.5M
raised

CertifID is a SaaS security platform used to validate identity and securely transfer bank account information.

Jul 2025
Series C

Founder Contacts

30,000+ verified contacts

Tel Aviv, Israel
$55.0M
raised

Zero Networks automates the development and enforcement of network access rules throughout an entire network.

Jun 2025
Series C

Founder Contacts

30,000+ verified contacts

Miami, United States
$108.0M
raised

CAST AI is the leading Kubernetes automation platform that cuts AWS, Azure, and GCP customers' cloud costs by over 50%

Apr 2025
Series C

Founder Contacts

30,000+ verified contacts

Syracuse, United States
$65.0M
raised

Hidden Level provides airspace monitoring and drone detection technologies for infrastructure and address national security threats.

Feb 2025
Series C

Founder Contacts

30,000+ verified contacts

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